A conflict arises when a religious community insists on the absolute truthfulness of all statements recorded in the Bible. This means an intervention on the part of religion into the sphere of science; this is where the struggle of the Church against doctrines of Galileo and Darwin belongs.

If I were to start taking care of my grooming, I would no longer be my own self.

There is no logical way to the discovery of these elemental laws. There is only the way of intuition, which is helped by a feeling for the order lying behind the appearance.

There is no salvation for civilization, or even the human race, other than the creation of a world government.

Time is not at all what it seems. It does not flow in only one direction, and the future exists simultaneously with the past.

The creative principle [of science] resides in mathematics.

The fear of death is the most unjustified of all fears, for there's no risk of accident for someone who's dead.